Netgear Nighthawk C7000 Cable Modem (Open Box)

Amazon didn't like my first review so they are forcing me to write another one. I guess telling the truth isn't allowed? Anyway, I ordered a refurbished Netgear nighthawk modem a couple weeks ago to use with my Comcast Xfinity Internet. I did get the Comcast modem to get started, but I wasn't happy paying $15 a month. The Comcast modem apparently was refurbished. Not a great way to treat new customers sending them refurbished products. Well anyway, the Comcast modem crapped out after about 12 hours. It left me with a blinking green and orange light back-and-forth. Tech-support wasn't able to help me. After giving up on the refurbished, Comcast modem, I decided to hook up the net gear nighthawk modem, using the Xfinity app. Everything went smoothly with the Netgear nighthawk modem until about 24 hours later when I lost all power to the modem, and all of the green lights went away. I checked different outlets, that we're working to charge cell phones and other device devices, to no avail. I then ordered another refurbished Netgear nighthawk from Amazon. When it showed up a couple days later, I was unable to get it operating using the Xfinity app. Xfinity's customer service couldn't figure it out and decided to send out a tech to try and diagnose the problem. I think that's gonna cost me $100. When the tech came out the next day, he tried to activate it with his system and he told me it wasn't working. He then mentioned that there was a sticker over the original MAC number. The sticker had a different MAC number. Well I suggested we peel off the sticker and try the original MAC number that was printed on the nighthawk Netgear modem. That didn't work either. I didn't asked if he had another. Comcast Xfinity modem in his van. He had one, and I think it was brand new because it had all the packaging and the plastic wrapthat generally comes with new modems. That was last Saturday march 15, 2025. Well that modem has been working ever since. I've been trying to get Amazon to pay for the tech to come out as the second modem they sent me had two different MAC numbers. And neither one worked. Causing me to have to call Xfinity to come out and diagnose the problem. Well, the problem was that somebody at WOOT owned by Amazon put a sticker over the old MAC number. I'm not sure why that happened, and Amazon's customer service representative couldn't tell me why. They refused to offer to take care of the tech visit as I feel that they should have because their product that was sent was in operable. I don't recommend getting refurbished routers or modems from Amazon.